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Tourmaline
Tourmaline

Fire Agate
Fire Agate



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Tourmaline and Fire Agate Physical Properties

1 Physical Properties
1.1 Tenacity
Not Available
Not Available
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
2.85-3.35
2.60-2.64
1.5 Fracture
Uneven, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009)
Uneven, Splintery, Conchoidal, Uneven, Splintery, Conchoidal, UnevenWalter Schumann, Gemstones of the world (2001)
1.6 Cleavage
Indistinct
Absent
1.7 Mohs Hardness
7-7.5
6.5-7
1.8 Chemical Composition
Tourmaline is a series of several different minerals with unique chemical formulas. See The chemical formula of Tourmaline for details.
SiO 2Arthur Thomas , Gemstones (2009)

Tourmaline and Fire Agate Chemical Formula

While comparing Tourmaline and Fire Agate physical properties, the important data you should know is its chemical composition. Since chemical formula defines the molecular structure of the crystal, most of the physical properties like color, tenacity, solubility are governed by Tourmaline and Fire Agate chemical formula.

  • Chemical formula of Tourmaline- Tourmaline is a series of several different minerals with unique chemical formulas. See The chemical formula of Tourmaline for details.
  • Chemical formula of Fire Agate- SiO 2Arthur Thomas , Gemstones (2009)

Tourmaline and Fire Agate Specific Gravity

Another important criteria for qualitative analysis of gemstones is Tourmaline and Fire Agate Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Tourmaline and Fire Agate Optical Properties during the identification of gemstone. Specific gravity of Tourmaline is 2.60-2.64 whereas that of Fire Agate is 2.60-2.64.